diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/kernel-features.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index b28cb73626..837a1c14fb 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -456,3 +456,34 @@ && defined __arch64__ # define __ASSUME_STAT64_SYSCALL 1 #endif + +/* Early kernel used "shm" as the filesystem name for the filesystem used + for shm_open etc. Later it is "tmpfs". 2.4.20 is a safe bet for the + cutover. */ +#if __LINUX_KERNEL_VERSION >= 0x02041a +# define __ASSUME_TMPFS_NAME 1 +#endif + +/* pselect was introduced just after 2.6.16-rc1. Due to the way the + kernel versions are advertised we can only rely on 2.6.17 to have + the code. */ +#if __LINUX_KERNEL_VERSION >= 0x020611 \ + && (defined __i386__ || defined __powerpc__) +# define __ASSUME_PSELECT 1 +#endif + +/* ppoll was introduced just after 2.6.16-rc1. Due to the way the + kernel versions are advertised we can only rely on 2.6.17 to have + the code. */ +#if __LINUX_KERNEL_VERSION >= 0x020611 \ + && (defined __i386__ || defined __powerpc__) +# define __ASSUME_PPOLL 1 +#endif + +/* The *at syscalls were introduced just after 2.6.16-rc1. Due to the way the + kernel versions are advertised we can only rely on 2.6.17 to have + the code. */ +#if __LINUX_KERNEL_VERSION >= 0x020611 \ + && (defined __i386__ || defined __x86_64__) +# define __ASSUME_ATFCTS 1 +#endif |